"Rad, do you see that fellow?"
"I sho do, Massa Tom, but I sorter has t' strain my eyes t' do it. He's goin' laik my mule Boomerang does when he's comin' home t' dinnah."
"That's right, Rad. Well, never let that man set foot inside our fence again! If he comes, and I'm home, call me. If I'm away, call dad or Mr. Jackson, and if you're here alone, drive him away, somehow."
"I will, Massa Tom!" exclaimed the colored man, earnestly, "an' if I can't do it alone, I'll get Boomerang t' help. Once let dat ar' mule git his heels on a pusson, an' dat pusson ain't goin' t' come bodderin' around any mo'—that is, not right away."
"I believe you, Rad. Well, keep a lookout for him, and don't let him in," and with that Tom entered the house to think over matters. They were beginning to assume an aspect he did not altogether like. Not that Tom was afraid of danger, but he preferred to meet it in the open, and the warning, or threat, of the mysterious man disquieted him.
When Mr. Swift came home, a little later, his son told him of the midnight interview with Mr. Jenks, for, up to this time, the aged inventor was unaware of it, and Tom also gave